tailieunhanh - Learning AutoCAD 2010, Volume 1 phần 2

Phóng to cửa sổ ZOOM Z, Chọn 2 điểm để xác định cửa sổ trong khu vực bản vẽ sử dụng các tùy chọn Phóng to cửa sổ, sử dụng bất kỳ phương pháp liệt kê ở trên để bắt đầu lệnh, click vào bản vẽ để xác định các góc đầu tiên của cửa sổ (1), và sau đó nhấp vào để xác định góc thứ hai của cửa sổ (2). | Zoom Command Options Zoom Window ZOOM Z Pick 2 points to define the window in the drawing area To use the Zoom Window option use any method listed above to start the command click in the drawing to specify the first corner of the window 1 and then click to specify the second corner of the window 2 . As a result the drawing view is magnified and fills the drawing space with the area defined by the zoom window. Zoom Extents Zoom Previous Use the Zoom Extents option to zoom to the extents of the drawing that is the area of the drawing in which objects are placed. When you zoom to the drawing extents you magnify the drawing view so that all geometry in the current space model space or paper space is visible. ZOOM Z E then press ENTER Use the Zoom Previous option to return to the previous view. ZOOM Z P then press ENTER Lesson Displaying Objects 33 Wheel Mouse Features The wheel mouse is a variant of the standard pointing device that is modified with a small wheel between the left and right buttons. You can rotate this wheel in small increments. You can use the wheel to zoom and pan in your drawing without using any commands. When zooming in the location near your cursor is the focal point of the zoom and thus remains on the screen. The ZOOMFACTOR system variable controls the incremental change whether forward or backward. The higher the number of the variable the greater the zoom. How to Use the Wheel Mouse Do this. To. Roll the wheel forward Zoom In Roll the wheel backward Zoom Out Double-click the wheel button Zoom Extents Hold down the wheel button and drag the mouse Pan Press and hold the SHIFT key and the wheel button and drag the mouse Constrained Orbit Press and hold the CTRL key and the wheel button and drag the mouse Pan Joystick In some situations when using the mouse wheel to pan or zoom the actions have no effect on the drawing. For example you might only be able to zoom out to a certain point. When this occurs you must regenerate the drawing by clicking .